calculator.py

Author: amratadev

calculator.py

@@ -0,0 +1,31 @@
+def add(a,b):
+    return a+b
+def subtract(a,b):
+    return a-b
+def multiply(a,b):
+    return a*b
+def divide(a,b):
+    return a/b
+operations_dict = {
+    "+": add,
+    "-": subtract,
+    "*": multiply,
+    "/": divide
+}
+number1=int(input("enter first number: "))
+for symbol in operations_dict:
+    print(symbol)
+continue_flag=True
+while continue_flag:
+ op_symbol=input("Pick an operation:")
+ number2=int(input("enter next number:"))
+ calculator_function=operations_dict[op_symbol]
+ output=calculator_function(number1,number2)
+ print(f"{number1} {op_symbol} {number2}={output}")
+
+ should_continue=input(f"Enter 'y' to continue calculation with {output} or 'n' to exit").lower()
+ if should_continue=='y':
+    number1=output
+ else:
+    continue_flag=False
+    print("Bye")